Corner shelf



FIG. 1 is a top view of a corner shelf embodying my new design;

FIG. 2 is a side view of the corner shelf shown in direction 2 of FIG. 1;

FIG. 3 is a rear view of the corner shelf shown in direction 3 of FIG. 1; and,

FIG. 4 is a bottom view of the corner shelf shown in FIG. 1. 

The ornamental design for a corner shelf, as shown and described. 